Home / 28,799.99-39,746.30-16,057.31

Finding the Fourth Proportional to 28,799.99, 39,746.30 and 16,057.31

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Solution

The fourth proportional to 28,799.99, 39,746.30 and 16,057.31 is: 22,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.99 : 39,746.30 = 16,057.31 : x
  2. Step 2: Convert to fraction form
    28,799.99/39,746.30 = 16,057.31/x
  3. Step 3: Cross multiply
    28,799.99x = 39,746.30 × 16,057.31
  4. Step 4: Simplify right side
    28,799.99x = 638,218,381.43
  5. Step 5: Solve for x
    x = 638,218,381.43/28,799.99
  6. Step 6: Final answer
    x = 22,160.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.